TY - GEN AU - Rao,Venkata AU - Rao,A.T AU - Rao,K.S AU - Yoshida,Masaru ED - Symposium on antarctic geosciences, 12 TI - Petrology and geochemistry of early precambrian carbonate rocks from the Umpavalli area, eastern Ghats, India and their comparison with Antarctica SN - 09142029 ER -